<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  <title>Document</title>
  <!-- CSS only -->
  <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/css/bootstrap.min.css" />
  <style>
    .red {
      color: red !important;
    }

    .search {
      width: 300px;
      margin: 20px 0;
    }

    .my-form {
      display: flex;
      margin: 20px 0;
    }

    .my-form input {
      flex: 1;
      margin-right: 20px;
    }

    .table> :not(:first-child) {
      border-top: none;
    }

    .contain {
      display: flex;
      padding: 10px;
    }

    .list-box {
      flex: 1;
      padding: 0 30px;
    }

    .list-box a {
      text-decoration: none;
    }

    .echarts-box {
      width: 700px;
      height: 500px;
      padding: 30px;
      margin: 0 auto;
      border: 1px solid #ccc;
    }

    tfoot {
      font-weight: bold;
    }

    @media screen and (max-width: 1000px) {
      .contain {
        flex-wrap: wrap;
      }

      .list-box {
        width: 100%;
      }

      .echarts-box {
        margin-top: 30px;
      }
    }
  </style>
</head>

<body>
  <div id="app">
    <div class="contain">
      <!-- 左侧列表 -->
      <div class="list-box">

        <!-- 添加资产 -->
        <form class="my-form">
          <input type="text" class="form-control" placeholder="消费名称" v-model="name" />
          <input type="text" class="form-control" placeholder="消费价格" v-model.number="price" />
          <button type="button" class="btn btn-primary" @click="add">添加账单</button>
        </form>

        <table class="table table-hover">
          <thead>
            <tr>
              <th>编号</th>
              <th>消费名称</th>
              <th>消费价格</th>
              <th>操作</th>
            </tr>
          </thead>
          <tbody>
            <tr v-for="(item,index) in list" :key="item.id">
              <td>{{index+1}}</td>
              <td>{{item.name}}</td>
              <td :class="{red:item.price>=50}">{{item.price}}</td>
              <td><a href="javascript:;" @click="del(item.id)">删除</a></td>
            </tr>

          </tbody>
          <tfoot>
            <tr>
              <td colspan="4">消费总计： {{tosun}}</td>
            </tr>
          </tfoot>
        </table>
      </div>

      <!-- 右侧图表 -->
      <div class="echarts-box" id="main"></div>
    </div>
  </div>
  <script src="https://cdn.jsdelivr.net/npm/echarts@5.4.0/dist/echarts.min.js"></script>
  <script src="https://cdn.jsdelivr.net/npm/vue@2/dist/vue.js"></script>
  <script src="https://cdn.jsdelivr.net/npm/axios/dist/axios.min.js"></script>
  <script>
    /**
     * 接口文档地址：
     * https://www.apifox.cn/apidoc/shared-24459455-ebb1-4fdc-8df8-0aff8dc317a8/api-53371058
     * 
     * 功能需求：
     * 1. 基本渲染
     * 2. 添加功能
     * 3. 删除功能
     * 4. 饼图渲染
     * dom渲染完才能做的操作在mounted中
     */
    const app = new Vue({
      el: '#app',
      data: {
        list: [],
        name: "",
        price: "",
      },
      created() {
        // 发请求获取数据
        // 调用渲染所以就改成方法
        // axios.get("http://localhost:3000/data",{
        // }).then(res=>{
        //   console.log(res.data);
        //   this.list=res.data
        // }).catch(err=>{
        //   console.log(err);
        // })  
        // 这里调用
        this.getlist()
      },
      mounted() {
        this.myChart = echarts.init(document.getElementById('main'))
        this.myChart.setOption({
          title: {
            //大标题
            text: '动漫购票单',
            // 次标题
            // subtext: 'Fake Data',
            // 设置居中
            left: 'center'
          },
          // 提示框
          tooltip: {
            trigger: 'item'
          },
          // 左侧图例
          legend: {
            orient: 'vertical',
            left: 'left'
          },
          // 经过显示
          series: [
            {
              name: '动漫价格',
              type: 'pie',
              // 圆的半径
              radius: '50%',
              data: [

              ],
              emphasis: {
                itemStyle: {
                  shadowBlur: 10,
                  shadowOffsetX: 0,
                  shadowColor: 'rgba(0, 0, 0, 0.5)'
                }
              }
            }
          ]
        })

      },
      computed: {
        tosun() {
          return this.list.reduce((sum, item) => sum + item.price, 0)
        }
      },
      methods: {
        getlist() {
          axios.get("http://localhost:3000/data", {
          }).then(res => {
            console.log(res.data);
            this.list = res.data
            this.myChart.setOption(
              {
                // 经过显示
                series: [
                 {
                    data:this.list.map(item=>({value:item.price,name:item.name}))
                  }
                ]
              }
            )
          }).catch(err => {
            console.log(err);
          })
        },
        add() {
          console.log('aa');
          if (this.name == '' && this.price == '') {
            alert('不能为空')
            return
          }
          if (typeof this.price !== 'number') {
            alert('价格不对')
            return
          }
          axios.post('http://localhost:3000/data', {
            name: this.name,
            price: this.price
          }).then(res => {
            console.log(res.data);
          }).catch(err => {
            console.log(err);
          })

          this.getlist()
          this.name = ''
          this.price = ''
        },
        del(id) {
          console.log(id);
          axios.delete(`http://localhost:3000/data/${id}`)
            .then(res => {
              console.log(res.data);
            }).catch(err => {
              console.log(err);
            })
          this.getlist()
        }
      }
    })
  </script>
</body>

</html>